body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
  background-color: #f5f5f5;
  box-sizing: border-box;
  height: 100vh;
}
* {
  box-sizing: border-box;
}
#app {
  height: 100%;
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 5px;
}
::-webkit-scrollbar-thumb {
  background-color: #c1c1c1;
  border-radius: 5px;
  cursor: pointer;
}
::-webkit-scrollbar-track {
  background-color: #f5f5f5;
}
